US3598533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic paper strip
Assignee: Chugai Pharmaceutical Co Ltd
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Filing: 1969-04-01
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Granted: 1971-08-10
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Expires: 1989-04-01
Abstract
Abstract AN IMPROVED DIAGNOSTIC PAPER STRIP WHICH IS APPLICABLE TO WHOLE BLOOD SAMPLE, WHICH IS PREPARED BY DIPPING A DIAGNOSTIC PAPER STRIP INTO ORGANIC SOLVENT SOLUTION OF ONE OR MORE OF CHOLESTEROL, ROSIN AND THEIR ESTERS AND DRYING THE STRIP.
Inventors
- 👤 Suiichi Tomioka
- 👤 Motoharu Shiba
- 👤 Sakae Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:25
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/34; C12Q1/44; C12Q1/46; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/52; G01N33/521; G01N33/523; G01N33/62; G01N33/84; C12Q2334/00; Y; Y10; Y10T; Y10T436/00; Y10T436/17; Y10T436/171538
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |